2、2.已知lis_2=[‘Name’,’Sex’]，则lis_2*2=____， ’Address’ in lis_2 =______，len（lis_2)=______。
2、2.已知lis_2=[‘Name’,’Sex’]，则lis_2*2=____， ’Address’ in lis_2 =______，len（lis_2)=______。
参考答案和解析
[‘Name’,’Sex’,‘Name’,’Sex’]；False；2
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